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Vinu Patel

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last 3 solved tasks
What 5-digit number satisfies the following requirements? 1. No zeroes; 2. First two digits are the same; 3. Fourth digit is twice the first; 4. Last digit is twice the third; 5. Sum of all digits is 18

(Leo) James Rainwater

Born 9 Dec 1917; died 31 May 1986 at age 68.(Leo) James Rainwater was an American physicist who won a share of the Nobel Prize for Physics in 1975 for his part in determining the asymmetrical shapes of certain atomic nuclei. During WW II, Rainwater worked on the Manhattan Project to develop the atomic bomb. In 1949 he began formulating a theory that not all atomic nuclei are spherical, as was then generally believed. The theory was tested experimentally and confirmed by Danish physicists Aage N. Bohr and Ben R. Mottelson. For their work the three scientists were awarded jointly the 1975 Nobel Prize for Physics. He also conducted valuable research on X rays and took part in Atomic Energy Commission and naval research projects.

Harry and his neighbor Joe oft...

Harry and his neighbor Joe often borrowed things from each other. One day, Harry asked to borrow Joe's ladder.
Joe said, "Sorry Harry, I've lent it to my son."
Remembering a saying that his grandma often used to tell him, Harry said, "Joe, you should never lend anything to your children because you'll never get it back."
Joe replied, "Don't worry, it's not my ladder - it's my dad's."
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